Ultrastructural comparison of differentiation of stem cells of murine adenocarcinomas of colon and breast with their normal counterparts.


Two rats with chemically induced transplantable adenocarcinomas of the colon were given pulses of [3H]thymidine, and autoradiography with electron microscopes was used to compare the degrees of differentiation of the stem cells of the tumor and colon. The best differentiated portions of the tumor had acini composed of vacuolated, mucous, and argentaffin… (More)


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